physostomous

[ fahy-sos-tuh-muhs ]
/ faɪˈsɒs tə məs /

adjective Ichthyology.

having the mouth and air bladder connected by an air duct.

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Origin of physostomous

First recorded in 1885–90; physo- + -stomous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for physostomous

physostomous
/ (faɪˈsɒstəməs) /

adjective

(of fishes) having a duct connecting the air bladder to part of the alimentary canalCompare physoclistous

Word Origin for physostomous

C19: from Greek phusa bladder + -stomous, from stoma mouth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012